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The Earth has a radius of 6.38 × 10^6 m and is 1.49 × 10^11 meters from the Sun. If the intensity of solar electromagnetic radiation at the top of the Earth's atmosphere is 1330 W/m^2, what is the total radiated power output of the Sun?
In an RLC circuit, the following three elements are connected in series: a resistor of 31.0 ohm, a 22.2-mH inductor, and a 0.390-µF capacitor. Find the power factor for the RLC series circuit
A fly appears to be upside down and 3 times its actual size when viewed through a converging lens with a focal length of 14 cm. How far is the fly from the lens
A block of mass m = 364 g is dragged with a string across a rough horizontal table. The string tension is T = 2.79 N, What is the power supplied by the force of friction
a snowboarder moves along a horizontal ramp before going off of the edge of the ramp. 1.8s after leaving the ramp, find the snowboarders speed at the moment she leaves the ramp
A solar energy "farm" produces 1.0 MW of power for a small town. What total area of solar cells is required
A 100 kg shot-putter pushes a forward and upward force on a 4 kg shot with a force of 1000N, Calculate the vertical and horizontal components of this resultant force
The input of a variable auto transformer is connected to an alternating is connected to an alternating emf of 120 V rms. the output is connected to a resistor of 100?. the output voltage varies linearly from 0 at theta = full CCW position to 120 V..
If you charge a pocket comb by rubbing it with a silk scarf, how can you determine if the comb is positively or negatively charged.
A horizontal spring with k = 110 n/m has one end attached to the wall. A 240g block is pushed onto the free end, compressing the spring by 0.190m. what's its speed when it leaves the spring
A laser emits a narrow beam of light. The radius of the beam is 3.9 mm, and the power is 3.6 mW. What is the intensity of the laser beam
A 15 kg block is accelerated at 2.0 m/s2 up a frictionless plane inclined at 5.0° to the horizontal, with the speed increasing from 10 m/s to 24 m/s. What is the change in the block's mechanical energy
In a grocery store, a convex mirror with R= 4.0 m is used for surveillance. Suppose a person of height 1.7 m is 12 m from such a mirror. What is the size of the image
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